「Inspectors examined 1,267 buildings in 163 facilities in the city and evaluated each structure using a traffic light color system with red meaning “danger,” yellow meaning “caution needed” and green meaning “investigation completed.” The investigation found that 134 locations, including school buildings and martial arts gymnasiums, were labeled as “red,” while 354 buildings were categorized as “yellow” and 779 buildings as “green.”」

http://www.asahi.com/ajw/articles/AJ201604260060.html